<?php
class Mwc_SystemPoint_Block_Expire_List extends Mage_Adminhtml_Block_Widget_Grid_Container{
    public function __construct(){
        $this->_addButtonLabel = Mage::helper('systempoint')->__('Add New Expire Setting');
        parent::__construct();

        $this->_blockGroup = 'systempoint';
        $this->_controller = 'expire_list';
        $this->_headerText = Mage::helper('systempoint')->__('Expire Setting(s)');
    }
}